Moral distress and positive experiences of ICU staff during the COVID-19 pandemic: lessons learned.

"Declarations Ethics approval and consent to participateEthics approval was obtained from the local medical ethics committee of the Amsterdam UMC - location AMC (METC AMC, The Netherlands; reference number AMC W20_361 # 20.401). The questionnaire was send anonymously via email and respondents could decide for themselves if they wanted to participate. Informed consent was obtained from all participants. The study was performed according to the Declaration of Helsinki [38]. The trial was registered on The Netherlands Trial Register, number NL9177 [39]. Performance, recording, analysis and reporting was done according to the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement for reporting observational studies [40]. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors."

"Trial registration The trial was registered on The Netherlands Trial Register, number NL9177."